Security readout for executives and security teams
CVE-2018-0157 is a Cisco IOS XE Zone-Based Firewall flaw that can let a remote unauthenticated attacker crash and reload an affected device using fragmented IPv4 or IPv6 traffic. The business risk is network outage, especially where affected routers or firewalls sit in critical traffic paths. Exposure is likely limited to Cisco IOS XE devices running the listed Everest releases with Zone-Based Firewall processing traffic. Internet-edge, partner-edge, and WAN perimeter devices would carry the highest business impact if affected. Prioritize remediation where affected Cisco IOS XE devices protect or route critical networks. The issue is availability-focused, but a forced reload can interrupt business operations. No active exploitation is confirmed in the provided sources. Mitigation focus: Identify Cisco IOS XE devices running the listed Everest releases.; Check Cisco advisory cisco-sa-20180328-fwip for fixed software and upgrade guidance.; Prioritize devices using Zone-Based Firewall on critical traffic paths..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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Open ATT&CK lookupCVE-2018-0157 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-fwipCVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Data Processing Errors
Data Processing Errors represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.